C-12-Q014mediumsingle_mcqCH3CH2OH+O2→Acetobacter?\mathrm{CH_3CH_2OH + O_2 \xrightarrow{Acetobacter} ?}CH3CH2OH+O2AcetobacteraCH3COOH+H2O\mathrm{CH_3COOH + H_2O}CH3COOH+H2Ob